The Nikon SB-910 TTL AF Shoe Mount Speedlight is engineered for FX and DX-format D-SLRs and COOLPIX P7000 Series cameras, the SB-910 offers unparalleled lighting performance in the field and in the studio. Featuring Nikon's versatile i-TTL (intelligent through-the-lens) metering for on camera or wireless flash control, the SB-910 can operate as a hot shoe mounted Speedlight, remote unit or wireless Commander. And with refined operability including illuminated buttons for use in low light and improved thermal cut out protection, the SB-910 is the perfect partner to your D-SLR.
The SB-910 Speedlight operates as a hot shoe mounted Speedlight, remote unit or wireless Commander (with up to four channel options) capable of controlling as many as three remote groups (A,B and C) and an unlimited number of SB-910, SB-900, SB-700 or SB-R200 units. With a host of pro flash features including; precision i-TTL flash control, Manual with Power Ratio, three illumination patterns for specific shooting environments, wide zoom range from 17-200mm, and streamlined controls and menus—it's no wonder that Nikon is the overwhelming choice when it comes to flash photography.
At the heart of the SB-910 is Nikon's i-TTL flash control which enables Nikon Speedlights to share critical exposure information with CLS compatible D-SLRs. All of the complex lighting calculations are computed for you instantly with consistently accurate results in just about any lighting situation. Using the SB-910 as a Commander or the in concert with the SU-800 Commander or D-SLR with built-in Commander operating as the Master controller, you can wirelessly manage and fire up to three groups of remotely positioned SB-910, SB-900, SB-700 and SB-R200 Speedlights. Additionally, each group can contain any number of Speedlights and any mix of these Speedlights. SB-910 can also be set as a Remote Speedlight for complete system integration and control.
SB-910 offers an improved interface, adding a dedicated Menu button and illuminated buttons for control in low light. Additionally, hard type color correction filters are now used, providing durability and convenience when used with a camera set for Auto white balance. And when taking pictures in certain situations such as in rapid sequence, to prevent the flash tube from overheating, an improved thermal cut out protection has been adopted that slows recycling instead of cutting off the flash.
Multiple Flash Exposure Modes: i-TTL Balanced Fill-Flash with Nikon cameras that support i-TTL (e.g. D3, D700, D200, etc), [AA] Auto Aperture Flash, [A] Auto Aperture Flash with many film SLRs, including the Nikon N55 (F55) and FM10 and [M]Manual Flash
Advanced Thermal Protection: Advanced thermal protection system slows the flash recycle time, rather than simply shutting down to prevent overheating
Bounce Capability: Flash head tilts down to 7° or up to 90° with click-stops at -7°, 0°, 45°, 60°, 75°, 90°. And Flash head rotates horizontally 180° to the left and right with click-stops at 0°, 30°, 60°, 75°, 90°, 120°, 150°, 180°
Guide Number: 11.5'/34 m (at ISO 100, 35mm zoom head position, in FX format, standard illumination pattern, 68°F/20°C) to 157.5'/48 m (at ISO 200, 35mm zoom head position, in FX format, standard illumination pattern, 68°F/20°C)
i-TTL: Intelligent i-TTL system supports Advanced Wireless Lighting and versatile functions for up to 3 remote i-TTL Speedlight groups controlled through a master SB-900 or with the "Commander" function of compatible cameras.
3 Light Distribution Patterns: Allows you to improve the light quality by selecting Standard for general illumination, Center-weighted for portraits, or Even for groups and interiors.
Flash Compensation: -3.0 EV to +3.0 EV in increments of 1/3 stop in i-TTL auto flash, Auto Aperture flash, Non-TTL auto flash and Distance-priority manual flash modes
Flash Duration: 1/880 sec. at M 1/1 (full) output, 1/1100 sec. at M 1/2 output, 1/2550 sec. at M 1/4 output, 1/5000 sec. at M 1/8 output, 1/10000 sec. at M 1/16 output, 1/20000 sec. at M 1/32 output, 1/35700 sec. at M 1/64 output, 1/38500 sec. at M 1/128 output
Minimum Recycling Time: 2.3 sec. (approx.) with Ni-MH (2600 mAh) batteries, 3.0 sec. (approx.) with Oxyride (1.5V) batteries, 4.0 sec. (approx.) with Alkaline-manganese (1.5V) batteries and 4.5 sec. (approx.) with Lithium (1.5V) batteries
Mixed Exposure Modes: Individual flash mode settings ([TTL], [AA], [A] and [M]) are available for each of the four groups (including master controller) for easy total lighting control based on the brightness of the subject and not simply on general output ratios for each group.
FV Lock: Flash Value Lock allows photographers to change the composition or zoom for the shot while maintaining desired lighting of the subject.
Distance Priority Manual Flash Mode: User can set the distance and aperture, and the SB-900 automatically sets the power output, a great feature for manual flash [M] shooting at weddings and for product shots.
Colored Gels: Allows modification of flash output to match background scene, especially useful for digital cameras where "white balance" can be controlled. Included are Tungsten and Fluorescent adjustment filters.
Color Gel Filter Identification: Flash automatically identifies mounted color gel filters and adjusts the camera's auto white-balance setting with select Nikon digital SLR cameras.
Flash Tube Overheat Protection: Includes a built-in thermal sensor that protects the flash-tube from overheating during sustained high-speed bursts.
Wireless Flash Modes: Master, Master (RPT), Off, Remote and SU-4
AF-Assist Illuminator: The SB-910 provides improved AF assisting accuracy by being able to cover all 51 AF points with the D3, D700, and D300 (as of 7/2008), and with wider coverage from 20-105mm.
Other Functions: Firmware update, ISO sensitivity setting, Key lock, Recalling the underexposure value in the TTL auto flash mode, Resetting the settings and Improved Thermal Cut-out
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